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Finding the Fourth Proportional to 251,297.77, 346,793.60 and 136,576.41

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Solution

The fourth proportional to 251,297.77, 346,793.60 and 136,576.41 is: 188,476.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,297.77 : 346,793.60 = 136,576.41 : x
  2. Step 2: Convert to fraction form
    251,297.77/346,793.60 = 136,576.41/x
  3. Step 3: Cross multiply
    251,297.77x = 346,793.60 × 136,576.41
  4. Step 4: Simplify right side
    251,297.77x = 47,363,824,898.98
  5. Step 5: Solve for x
    x = 47,363,824,898.98/251,297.77
  6. Step 6: Final answer
    x = 188,476.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.